Statement Of Financial Position [Abstract]
| Concept |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — | — |
3,947,000
EUR
|
4,915,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — | — | — |
15,039,000
EUR
|
16,736,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — | — | — | — |
7,487,000
EUR
|
7,487,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — | — | — |
444,000
EUR
|
260,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — | — | — |
-
EUR
|
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — | — | — |
33,058,000
EUR
|
35,260,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||
| Cash and cash equivalents | — | — | — | — | — | — | — |
62,056,000
EUR
|
63,605,000
EUR
|
— | — | — | — | — | — | — |
113,610,000
EUR
|
— | — | — | — | — | — | — |
| Current assets | — | — | — | — | — | — | — |
151,080,000
EUR
|
159,736,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — | — |
184,138,000
EUR
|
194,996,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — | — | — | — | — | — | — |
1,236,000
EUR
|
1,216,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — | — | — | — |
483,955,000
EUR
|
483,970,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares | — | — | — | — | — | — | — |
354,000
EUR
|
363,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — | — | — |
241,462,000
EUR
|
226,922,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — | — | — |
-
EUR
|
940,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
724,235,000
EUR
|
483,954,000
EUR
|
1,236,000
EUR
|
0
EUR
|
2,068,000
EUR
|
353,000
EUR
|
241,462,000
EUR
|
241,462,000
EUR
|
225,982,000
EUR
|
706,187,000
EUR
|
940,000
EUR
|
483,970,000
EUR
|
1,216,000
EUR
|
5,558,000
EUR
|
363,000
EUR
|
226,923,000
EUR
|
181,822,000
EUR
|
2,866,000
EUR
|
483,976,000
EUR
|
665,820,000
EUR
|
320,000
EUR
|
1,211,000
EUR
|
3,734,000
EUR
|
184,688,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||
| Non-current provisions for employee benefits | — | — | — | — | — | — | — |
697,000
EUR
|
500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — | — |
21,649,000
EUR
|
29,530,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||
| Current provisions | — | — | — | — | — | — | — |
17,156,000
EUR
|
14,838,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial liabilities | — | — | — | — | — | — | — |
6,388,000
EUR
|
7,115,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — | — |
403,951,000
EUR
|
391,448,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — | — | — |
425,600,000
EUR
|
420,978,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — | — |
184,138,000
EUR
|
194,996,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |